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A lift a mass 1200 kg is raised from res...

A lift a mass `1200 kg` is raised from rest by a cable with a tension `1350 kg f` . After same time the tension drops to `1000 kg f` and the lift comes to rest at a height of `25 m` above its intial point `(1 kg - f = 9.8 N)`
What is the greatest speed of lift?

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A lift a mass 1200 kg is raised from rest by a cable with a tension 1350 kg f . After same time the tension drops to 1000 kg f and the lift comes to rest at a height of 25 m above its intial point (1 kg - f = 9.8 N) What is the height at which the tension changes ?

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